Electric rotary scrubbing brush



FIG. 1 is a front and left perspective view of an electric rotary scrubbing brush showing my new design;

FIG. 2 is a back and right perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is an enlarged view of a portion of FIG. 1; and,

FIG. 10 is an enlarged view of a portion of FIG. 5.

The broken lines in the figures depict portions of the electric rotary scrubbing brush and form no part of the claimed design. 

CLAIM The ornamental design for an electric rotary scrubbing brush, as shown and described. 